package com.cmeduSystem.common.online.service.impl;

import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.github.pagehelper.Page;
import com.cmeduSystem.common.core.base.dao.BaseDaoMapper;
import com.cmeduSystem.common.core.base.service.BaseService;
import com.cmeduSystem.common.core.object.MyRelationParam;
import com.cmeduSystem.common.core.object.TokenData;
import com.cmeduSystem.common.online.dao.OnlineApiMapper;
import com.cmeduSystem.common.online.model.OnlineApi;
import com.cmeduSystem.common.online.service.OnlineApiService;
import com.cmeduSystem.common.sequence.wrapper.IdGeneratorWrapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;

/**
 * 在线表单API数据操作服务类。
 *
 * @author xulei
 * @date 2025-09-04
 */
@Slf4j
@Service("onlineApiService")
public class OnlineApiServiceImpl extends BaseService<OnlineApi, Long> implements OnlineApiService {

    @Autowired
    private IdGeneratorWrapper idGenerator;
    @Autowired
    private OnlineApiMapper onlineApiMapper;

    /**
     * 返回当前Service的主表Mapper对象。
     *
     * @return 主表Mapper对象。
     */
    @Override
    protected BaseDaoMapper<OnlineApi> mapper() {
        return onlineApiMapper;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public OnlineApi saveNew(OnlineApi onlineApi) {
        onlineApiMapper.insert(this.buildDefaultValue(onlineApi));
        return onlineApi;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public boolean update(OnlineApi onlineApi, OnlineApi originalOnlineApi) {
        onlineApi.setCreateUserId(originalOnlineApi.getCreateUserId());
        onlineApi.setCreateTime(originalOnlineApi.getCreateTime());
        onlineApi.setUpdateUserId(TokenData.takeFromRequest().getUserId());
        onlineApi.setUpdateTime(new Date());
        // 这里重点提示，在执行主表数据更新之前，如果有哪些字段不支持修改操作，请用原有数据对象字段替换当前数据字段。
        UpdateWrapper<OnlineApi> uw = this.createUpdateQueryForNullValue(onlineApi, onlineApi.getId());
        return onlineApiMapper.update(onlineApi, uw) == 1;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public boolean remove(Long id) {
        return onlineApiMapper.deleteById(id) == 1;
    }

    @Override
    public List<OnlineApi> getOnlineApiList(OnlineApi filter) {
        return onlineApiMapper.getOnlineApiList(filter);
    }

    @Override
    public List<OnlineApi> getOnlineApiListWithRelation(OnlineApi filter) {
        List<OnlineApi> resultList = onlineApiMapper.getOnlineApiList(filter);
        // 在缺省生成的代码中，如果查询结果resultList不是Page对象，说明没有分页，那么就很可能是数据导出接口调用了当前方法。
        // 为了避免一次性的大量数据关联，规避因此而造成的系统运行性能冲击，这里手动进行了分批次读取，开发者可按需修改该值。
        int batchSize = resultList instanceof Page ? 0 : 1000;
        this.buildRelationForDataList(resultList, MyRelationParam.normal(), batchSize);
        return resultList;
    }

    private OnlineApi buildDefaultValue(OnlineApi onlineApi) {
        if (onlineApi.getId() == null) {
            onlineApi.setId(idGenerator.nextLongId());
        }
        Date now = new Date();
        onlineApi.setCreateTime(now);
        onlineApi.setUpdateTime(now);
        TokenData tokenData = TokenData.takeFromRequest();
        onlineApi.setCreateUserId(tokenData.getUserId());
        onlineApi.setUpdateUserId(tokenData.getUserId());
        return onlineApi;
    }
}
